STSCI 2150 Focus Terms
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Last updated 10:51 PM on 3/3/25
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7 Terms
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Standard Deviation (formula)
s = (U-L)/4
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Standard Deviation (definition)
Measure of variability of the values of observations or individuals about the mean
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Standard Error (definition)
Variability in all possible sample means
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Standard Error (formula)
SEY=s/(n0.5)
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6
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symbols for population parameters
mean: µ
variance: σ
standard deviation: σ2
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symbols for sample statistics
mean: Ῡ
variance: s2
standard deviation: s
Note 
Flashcards (63)